Changes

==Early life==

==Early life==

Langdon was born in Portsmouth, New Hampshire, on June 26, 1741.  His father was a prosperous landowner, and his older brother, [[Woodbury Langdon]], would also go on to serve in the [[Continental Congress]].  John attended the local grammar school, and later served an apprenticeship as a clerk.<ref>http://bioguide.congress.gov/scripts/biodisplay.pl?index=L000067</ref> Rather than follow his father into farming, he went to sea, and became captain of his own ship by the age of 22. He eventually built a small fleet of merchant vessels, and established himself as one of Portsmouth's wealthiest citizens.<ref>http://www.history.army.mil/books/RevWar/ss/langdon.htm</ref>

Langdon was born in Portsmouth, New Hampshire, on June 26, 1741.  His father was a prosperous landowner, and his older brother, [[Woodbury Langdon]], would also go on to serve in the [[Continental Congress]].  John attended the local grammar school, and later served an apprenticeship as a clerk.<ref>http://bioguide.congress.gov/scripts/biodisplay.pl?index=L000067</ref> Rather than follow his father into farming, he went to sea, and became captain of his own ship the ''Andromache'' by the age of 22. He eventually built a small fleet of merchant vessels, and established himself as one of Portsmouth's wealthiest citizens.<ref>http://www.history.army.mil/books/RevWar/ss/langdon.htm</ref>

==Revolutionary War==

==Revolutionary War==